Threonine is an essential amino acid in humans. It is abundant in human plasma, particularly in newborns. Severe deficiency of threonine causes neurological dysfunction and lameness in experimental animals. Threonine is an immunostimulant which promotes the growth of thymus gland.
The Union Pacific Railroad, Building America. The Union Pacific (UP) is one the largest and most powerful railroads in the country. This historic system has been in operation since before the Civil War and much of the general public has at least a general knowledge of UP since it formed the eastern segment of the Transcontinental Railroad.
Affiliated Railroads is a non-corporate designation encompassing four affiliated short line freight railroads. These railroads are located in four states and comprise approximately 400 track miles. The railroads include: The Natchez Railway in Mississippi with connections to the CN; The V&S Railway in Kansas with connections to the BNSF and UPRR; The V&S Railway in Colorado with connections to the UPRR, BNSF and K&O.